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Items relevant to "LED Tachometer With Dual Displays, Pt.1":
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Contents
Vol.19, No.10; October 2006
SILICON
CHIP
www.siliconchip.com.au
Features
8 Thomas Alva Edison – Genius, Pt.2
The fascinating story of an inventive genius – by Kevin Poulter
22 Review: The CarChip E/X
This brilliant little device plugs straight into your car’s On-Board Diagnostics
(OBD) port and logs all sorts of data – by Julian Edgar
94 Review: Merlin Broadcast Quality Audio Mixer
A broadcast-quality unit designed for schools, colleges, training and even
community radio stations
Pro jects To Build
LED Tachometer With Dual LED
Displays – Page 26.
26 LED Tachometer With Dual Displays, Pt.1
Jazz up your car’s dashboard with this unit. It features both digital and circular
bargraph readouts, all based on high-brightness LEDs – by John Clarke
36 UHF Prescaler For Frequency Counters
It divides input frequencies by 1000 and can extend the frequency range of
virtually any frequency counter to over 2.8GHz – by Jim Rowe
46 Infrared Remote Control Extender
Want to control equipment via remote control from another room in the house?
This new unit works with all the latest gear – by John Clarke
66 PICAXE Net Server, Pt.2
Accessing the PICAXE Net Server via the Internet – by Clive Seager
UHF Prescaler For Frequency
Counters – Page 36.
72 Easy-To-Build 12V Digital Timer Module
Looking for a low-cost 12V digital timer? Just “rat” a commercial 240V timer
and add a few extra bits – by Bill deRose
102 A Reformer For Electrolytic Capacitors
Resurrect those old electros with this simple unit – by Rodney Champness
Special Columns
61 Serviceman’s Log
Muggins & his bargain LCD monitors – by the TV Serviceman
84 Circuit Notebook
(1) Battery Capacity Tester; (2) Temporarily Silencing A Smoke Detector; (3)
Cheapskate’s Headset Adapter; (4) Reservoir Pump Controller
Infrared Remote Control Extender
– Page 46.
89 Salvage It!
Building a super bicycle light alternator – by Julian Edgar
98 Vintage Radio
Reforming electrolytic capacitors – by Rodney Champness
Departments
2
4
35
77
Publisher’s Letter
Mailbag
Order Form
Product Showcase
siliconchip.com.au
104 Ask Silicon Chip
107 Notes & Errata
110 Market Centre
12V Digital Timer – Page 72.
October 2006 1
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